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Task #1114

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Task #1105: NPE study for beta rays

Beta ray test

Added by Sho Nagao 3 months ago. Updated about 1 month ago.

Status:
New
Priority:
Normal
Assignee:
-
Start date:
06/06/2025
Due date:
06/20/2025 (about 2 months late)
% Done:

10%

Estimated time:

Description

  • Fiber length dependence (100, 200, 300 mm)
  • Hit position dependence (20, 40, 60, 80, 100, 150, 200 mm from MPPC)
  • Fiber speices dependence (R=0.5, 1.0, 1.5mm, L=0.5mm)
  • Light contact dependence (Air, Grease)
  • Light loss after Clear-Fiber (SQ), Wavelength shifting fiber (Y-11 SQ non-s, Y-11 SQ s type, YS-2 Round, YS-4 Round)
  • Fiber bending effect

Files

IMG_5872.jpg (3.44 MB) IMG_5872.jpg Kotaro Nishi, 07/16/2025 04:13 AM
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 #1

Updated by Kotaro Nishi about 2 months ago

  • % Done changed from 0 to 10
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 #2

Updated by Kotaro Nishi about 1 month ago

NPE study

setup

source - fiber(CH1) - triger Sci(CH2)
  1. of fiber = 1, 1 mm x 1 mm
    triger 3 mm x 3 mm
    h3. result

typical NPE of Sr90 source is 20

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 #3

Updated by Kotaro Nishi about 1 month ago

typical npe of Sr90 source

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